Ternary Surface Complexes 1. Complex Formation in the System Silica-Cu(II)-Ethylenediamine
Studies on the adsorption of Cu(II) from aqueous solutions containing ethylenediamine (en) at the silica-water interface reveal the formation of the ternary surface complexes (⪫Si—O)Cu(en)+ (I) and (⪫Si—O)2Cu(en)0 (II). Compairing the experimentally obtained stability constants with statistical pre...
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| Main Authors: | , |
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| Format: | Article |
| Language: | deu |
| Published: |
Swiss Chemical Society
1978-05-01
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| Series: | CHIMIA |
| Online Access: | https://www.chimia.ch/chimia/article/view/9409 |
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| Summary: | Studies on the adsorption of Cu(II) from aqueous solutions containing ethylenediamine (en) at the silica-water interface reveal the formation of the ternary surface complexes (⪫Si—O)Cu(en)+ (I) and (⪫Si—O)2Cu(en)0 (II). Compairing the experimentally obtained stability constants with statistical predictions indicates that the formation of (I) is slightly favored whereas the formation of (II) is slightly hindered.
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| ISSN: | 0009-4293 2673-2424 |